Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quando a Samsung Electronics Co LTD lançou o GT-i9100?
 ###Tabelas: CREATE TABLE ecosystem:_operators_mobile_phone_and_client_manufacturers (ecosystem:_operators_mobile_phone_and_client_manufacturers_id AUTO_INCREMENT PRIMARY KEY, Company name VARCHAR, Hardware Model VARCHAR, Accreditation type VARCHAR, Accreditation level VARCHAR, Date VARCHAR) CREATE TABLE 3601–3700 (3601–3700_id AUTO_INCREMENT PRIMARY KEY, NGC number INT, Object type VARCHAR, Constellation VARCHAR, Right ascension ( J2000 ) VARCHAR, Declination ( J2000 ) VARCHAR, Apparent magnitude INT) CREATE TABLE 2008_ladder_and_finals (2008_ladder_and_finals_id AUTO_INCREMENT PRIMARY KEY, Benalla DFL VARCHAR, Wins INT, Losses INT, Draws INT, Byes INT, Against INT) CREATE TABLE namur (namur_id AUTO_INCREMENT PRIMARY KEY, Location VARCHAR, Name of mill VARCHAR, Type VARCHAR, Built VARCHAR, Notes VARCHAR) CREATE TABLE formula_one_entries_for_brm_type_15 (formula_one_entries_for_brm_type_15_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Event VARCHAR, Circuit VARCHAR, Driver VARCHAR, Race VARCHAR)  
SELECT Date FROM ecosystem:_operators_mobile_phone_and_client_manufacturers WHERE Company name = samsung electronics co ltd AND Hardware Model = gt-i9100